The average user will use whatever Amazon, Apple, Kobo et al. provide. Just like the average user is happy with Spotify and iTunes and has never heard of Bandca

The average user will use whatever Amazon, Apple, Kobo et al. provide. Just like the average user is happy with Spotify and iTunes and has never heard of Bandcamp. If something like Bubblin wants to succeed, it needs to cater to those users who are not happy with the status quo.